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mustn’t疑问句
英语句子怎么变为一般
疑问句
答:
英语句子改为一般
疑问句
的方法 1、含有be动词的句子,把be动词提前。(be动词是:is\am\are)例:This is a teacher’s desk.改为:Is this a teacher’s desk?2、含有助动词have、has或者had的句子,把have、has或者had提前。如:I have got some oranges.改为:Have you got any oranges?3、...
用must造5句
疑问句
5句否定句
答:
车辆不得停在入口处.7.You must not do it.你不可以做那件事 8.You mustn’t leave the gate open.你一定不要让大门敞开着.9.Passengers must not smoke until the signs have been switched off.指示灯未熄灭之前乘客不许抽烟.10.You
mustn't
say things like that. 你千万别说那样的话....
mustn't
have done和can't have done的区别最好有例子
答:
can
't
have done 表示以前不可能做某事.例句 ---Where___Margaret have put the empty bottles?---She___them away.They must be somewhere.A.can;can't have thrown B.must;must have thrown.C.must;needn't D.can;must throw 答案为A.第一个句子是一个
疑问句
而且表示可能性的推测,所以...
句子里有must的句子怎么改成否定句
答:
含must的肯定句,在改为一般
疑问句
时,must提到句首;在改为否定句时,通常变为don't/doesn't have to或者don't/doesn't need to或needn't do或can't.因为must的否定形式
mustn't
意思已经变为'千万别',不再表示不必须的意思了。must的英式读法是[mʌst];美式读法是[mʌst]。单...
总不明白英语中 什么时候用yes 什么时候用no
答:
18.当陈述部分含有情态动词must时,我们便要分析一下must的含义.如果must 作“一定;要;必须”讲,反意
疑问句
须用
mustn't
或needn't;而当must作推测意义“一定是;必定”讲时,反意疑问句则需根据must后的动词原形选用相应的形式.例如: He must work hard at physics, mustn't he? 他必须努力学...
mustn't
have done和can't have done的区别最好有例子
答:
can
't
have done 表示以前不可能做某事.例句 ---Where___Margaret have put the empty bottles?---She___them away.They must be somewhere.A.can;can't have thrown B.must;must have thrown.C.must;needn't D.can;must throw 答案为A.第一个句子是一个
疑问句
而且表示可能性的推测,所以...
情态动词
答:
(2)情态动词后接的动词不定式一律不带to。(3)情态支词不随人称变化而变(即不管是何人称,后面接的情态动词都一样)。(4)含有情态动词的否定都是由“情态动词+not”构成的,如:can-can not may-may not need-need not (5)含有情态动词的
疑问句
的构成 May I come in?我可以进来吗?...
can,mighe,would,may们的肯定与否定回答
答:
may,might 表示请求和允许.might比 may语气更委婉,而不是过去式.否定回答时可用can’t 或
mustn
’t,表示“不可以,禁止”.---Might/ May I smoke in this room?--- No,you mustn’t.--- May/Might I take this book out of the room?--- Yes,you can.(No,you can’t / mustn...
完成时态的反意
疑问句
提问原则
答:
There used to be a newsstand in the corner of the street,didn't there?3 当陈述部分带有情态动词must时,反意疑问部分需视must的含义而定。a.当must表示“命令或强制”时,反意疑问部分用
mustn't
。例如:You must do it by yourself,mustn't you?b.当must表示“有必要”时,反意
疑问句
用...
将下列句子改为一般
疑问句
或否定句
答:
1、They must begin the woke now.Must they begin the work now?(情态动词提到句首)They
mustn't
begin the work now.(情态动词的否定句在后直接加not)2、I need an English Chinese dictionary.I don't need an English Chinese dictionary.(此处need是实义动词,所以是一般现在时态的基本句型)...
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